Friday Harbor Airport Weather Forecast

    • 42
    • 53

    Chance Rain

    • 44
    • 52

    Rain

    • 45
    • 54

    Rain

    • 40
    • 52

    Rain

    • 38
    • 50

    Chance Rain

    • 38
    • 48

    Mostly Cloudy

    • 39
    • 48

    Chance Rain/Snow

Today 20 Nov San Juan County

Cloudy with a chance of rain in the Morning, then mostly cloudy with a slight chance of rain late in the morning. Mostly sunny in the afternoon. Highs in the lower to mid 50s. Southeast wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 20 Nov San Juan County

Partly cloudy until early Morning, then mostly cloudy with a slight chance of rain late in the night. Lows in the lower to mid 40s. Light wind becoming southeast to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Friday Harbor Airport Temperature Statistics

November Temperature

Friday Harbor Airport (0 miles)

  • Lowest 4 November, 2025

    37 °F

  • Average November

    48.1 °F

  • Highest 5 November, 2025

    57 °F

Climate (2020–Present)

Friday Harbor Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    59.6 °F
Get WillyWeather+ to remove ads